SKF NA 4909.2RS 45mm I.D Needle Roller Bearing Needle Roller Bearing, 68mm O.D

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£69.31

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£83.17

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RS Stock No.:
209-2316
Mfr. Part No.:
NA 4909.2RS
Brand:
SKF
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Brand

SKF

Inside Diameter

45mm

Outside Diameter

68mm

Roller Bearing Type

Needle Roller Bearing

Race Width

23mm

Material

Steel

Static Load Rating

64kN

Cage Material

Sheet Metal

Number of Rows

1

Dynamic Load Rating

45kN

Reference Speed

7500rpm

Limiting Speed

3800rpm

Fatigue Limit Load

8kN

SKF Needle Roller Bearing, 45mm Inside Diameter, 68mm Outside Diameter - NA 4909.2RS


This needle roller bearing is designed for high performance in demanding applications. The SKF needle roller bearing features a robust steel construction, with an inside diameter of 45mm and an outside diameter of 68mm. With a race width of 23 mm, this bearing combines a slim profile with a high load capacity, optimising efficiency in various industrial settings.

Features & Benefits


• High dynamic load rating of 45kN to support heavy loads
• Steel needle roller bearing provides enhanced durability
• Designed with a sheet metal cage for improved stability
• Single-row configuration optimises radial space efficiency
• Limiting speed of 3800 r/min for versatile application use
• Ideal for automation, electronics, and mechanical industries

Applications


• Used for machinery requiring compact and high load capacity bearings
• Suitable for with limited space and high dynamic demands
• Ideal for electrical assemblies and electronic devices
• Used for automotive and industrial equipment for reliable operation

What is the significance of the load ratings for this bearing?


The static load rating of 64kN indicates maximum load capacity without deformation, while the dynamic load rating of 45kN reflects the maximum load it can sustain during rotational operations, crucial for ensuring longevity in rotating equipment.

How does the cage material affect performance?


The sheet metal cage offers a combination of lightweight construction and strength, ensuring the rollers remain optimally spaced for efficient motion while reducing friction and wear, contributing to overall performance longevity.

What are the temperature limits for operating this component?


It can typically operate within a range defined by environmental conditions, ensuring consistent performance under standard operational temperatures. This versatility is ideal for various applications in different industrial settings.

How is this bearing installed and maintained?


Installation should be performed ensuring proper alignment with shaft and housing tolerances to reduce initial wear. Regular inspection for lubrication levels and clearance adjustments helps maintain optimal function throughout its lifespan.

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